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Assembled concrete-filled steel tube friction pendulum vibration isolation pier column

A technology of steel pipe concrete and friction pendulum, applied in the direction of piers, columns, pillars, etc., can solve the problems of difficult pouring, multiple configurations of steel bars, and limited anchoring, and achieve the effects of easy quality assurance, good integrity, and high bearing capacity

Inactive Publication Date: 2020-05-12
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The buttresses are generally cast-in-place. Due to the special stress state of the buttresses, there are many reinforcement configurations and limited anchorage, it is difficult to pour them; and the on-site pouring of the buttresses takes a long time for maintenance, strong dependence on the environment, and poor construction quality. Difficult to guarantee
In addition, the traditional pier and support separation structure is difficult to adapt to the assembled structure
Bearings generally need to be produced by an independent manufacturer, and then shipped to the site for installation, but the size and weight of traditional bearings are generally relatively large, and many machines and tools need to be coordinated during installation. The procedure is complicated, time-consuming and labor-intensive, and the quality is not easy to guarantee

Method used

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  • Assembled concrete-filled steel tube friction pendulum vibration isolation pier column
  • Assembled concrete-filled steel tube friction pendulum vibration isolation pier column
  • Assembled concrete-filled steel tube friction pendulum vibration isolation pier column

Examples

Experimental program
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Effect test

specific Embodiment approach 1

[0018] Specific implementation mode one: as Figure 1-Figure 3 , Figure 6 As shown, this embodiment discloses a prefabricated steel pipe concrete friction pendulum seismic isolation pier, including an upper seismic isolation pier 1, a lower seismic isolation pier 5, and two end-supported column feet 12; The concrete friction pendulum seismic isolation pier also includes an upper metal plate 2, a lower metal plate 11 and a compression slider 3;

[0019] Both the upper seismic isolation pier 1 and the lower seismic isolation pier 5 are prefabricated by pouring high-strength concrete 7 constrained by external steel pipes 6 (when the seismic isolation pier columns are poured, the external steel pipes 6 act as lateral templates), and the upper seismic isolation The lower end of the pier 1 and the upper end of the lower isolation pier 5 are prefabricated with ring-shaped limiting protrusions 4 (made of high-ductility cement-based materials) adjacent to their respective external st...

specific Embodiment approach 2

[0020] Specific implementation mode two: as figure 1 , figure 2 , Figure 4 , Figure 6 As shown, this embodiment discloses a prefabricated steel pipe concrete friction pendulum seismic isolation pier, including an upper seismic isolation pier 1, a lower seismic isolation pier 5, and two end-supported column feet 12; The concrete friction pendulum seismic isolation pier also includes an upper metal plate 2, a lower metal plate 11 and a compression slider 3;

[0021] The upper seismic isolation pier 1 and the lower seismic isolation pier 5 both adopt the external steel pipe 6 and the built-in steel pipe 8, and the high-strength concrete 7 is restrained in the built-in steel pipe 8 and between the built-in steel pipe 8 and the external steel pipe 6 It is prefabricated by pouring (when the seismic isolation pier is poured, the external steel pipe 6 acts as a lateral formwork), the lower end of the upper seismic isolation pier 1 and the upper end of the lower seismic isolation...

specific Embodiment approach 3

[0022] Specific implementation mode three: as figure 1 , figure 2 , Figure 5 , Figure 6 As shown, this embodiment discloses a prefabricated steel pipe concrete friction pendulum seismic isolation pier, including an upper seismic isolation pier 1, a lower seismic isolation pier 5, and two end-supported column feet 12; The concrete friction pendulum seismic isolation pier also includes an upper metal plate 2, a lower metal plate 11 and a compression slider 3;

[0023]Both the upper seismic isolation pier 1 and the lower seismic isolation support pier 5 are prefabricated by pouring high-strength concrete 7 in the area between the built-in section steel 9 and the external steel pipe 7 by using the external steel pipe 6 and the built-in section steel 9 to cover each other ( When the seismic isolation pier is poured, the external steel pipe 6 acts as a lateral formwork), the lower end of the upper seismic isolation pier 1 and the upper end of the lower seismic isolation pier 5...

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Abstract

The invention discloses an assembled concrete-filled steel tube friction pendulum vibration isolation pier column, and belongs to the field of vibration isolation and building industrialization. An upper vibration isolation buttress and a lower vibration isolation buttress are each prefabricated by casting confined high-strength concrete in an external steel pipe, or by sleeving an internal steelpipe with the external steel pipe and casting the confined high-strength concrete in the internal steel pipe and an area between the internal steel pipe and the external steel pipe, or by sleeving internal profile steel with the external steel pipe and casting the confined high-strength concrete in the area between the internal profile steel and the external steel pipe. Annular limiting protrusions are prefabricated at the lower end in the upper vibration isolation buttress and the upper end in the lower vibration isolation buttress separately. An upper friction pendulum vibration isolation buttress is formed after the metal plate base surface of the upper vibration isolation buttress is reliably connected with an upper metal plate in a shape following manner. A lower friction pendulum vibration isolation buttress is formed after the metal plate base surface of the lower vibration isolation buttress is reliably connected with a lower metal plate in a shape following manner. The upper surface and the lower surface of a pressure sliding block are attached to the lower surface of the upper metal plate and the upper surface of the lower metal plate. The assembled concrete-filled steeltube friction pendulum vibration isolation pier column has the advantages of good vibration isolation performance, simple structure, easy quality control, high industrialization degree, convenient construction and the like. The assembled concrete-filled steel tube friction pendulum vibration isolation pier column is used in building structures.

Description

technical field [0001] The invention belongs to the field of earthquake isolation and building industrialization, and in particular relates to an assembled steel pipe concrete friction pendulum earthquake isolation pier. Background technique [0002] Earthquake action is one of the most serious disasters faced by building structures, which poses a serious threat to human life and property. The structure of the shock-isolation bearing is simple and the principle is clear, and it is a safe and efficient shock-isolation element. Traditional friction pendulum shock-isolation bearings are generally composed of upper and lower seat plates, upper and lower sliding surfaces, and spherical crowns. The parts are generally made of steel plates or steel castings. [0003] The production of friction pendulum bearings by casting process has the problems of high casting process requirements and serious pollution. Traditional seismic isolation bearings are generally connected to the pier ...

Claims

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Application Information

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IPC IPC(8): E04B1/98E04H9/02E04C3/34
CPCE04B1/98E04C3/34E04H9/025
Inventor 关新春张井财欧进萍丁勇
Owner HARBIN INST OF TECH